In huckleberry finn what causes huck to question his morality

    The main character in Mark Twain's Huckleberry Finn undergoes several accounts whereas the boy questions himself and through this, he evolves into different moraled person while taking life-defining choices. His instincts and integrity is tested as well as his own beliefs and thoughts. 
  
   In the novels, he appears as a street-lived, ignorant kid caused by his drunken father and no directer in his long life. Here, he has seen no morale. But with the later help of Jim, (a runaway slave) they take on a journey to see Jim's mom. Continuing the start of the novel, the Widow and Miss Watson take him into custody. Huck looks up to Tom Sawyer, a boy who has made the choice to start a gang. Before becoming a member, they must consent to the murdering of their families if they do not abide by the rules. At this time, one of the members realized that Huck has no real family. After discussing it, every one did not know what to do. Eventually Tom Sawyer offered that they could take Miss Watson when at 17-18 years old. At this moment Huck is at the peak of his morality. No one could sacrifice a friend, family, love or even innocent to  just join a gang. Huck begans his jorney of progressing morality here. The first big problem is when he came across a wreaked steamboat and 3 felons. When Jim and he take the skiff, Huck makes reconization that he has left the 3 to die. Though they be murders and robbers, he could not accept being responsible for their fate and death. Upon arriving in Cairo, he is forced to decide whether he goes along with the people and turn Jim in as a runaway slave or if keeps his promise to his friend and help him to liberty. 
    "I'll go to hell, to see Jim free," he states revealing his morality. Huck has undergone his moral transformation by choosing friend over society and that is what has him establish his own standard of morality, rather than just going along with whatever everybody else does.

Pardon me. to answer questions like this, we would have needed more information. for starters, two sentences from the excerpt that came with the question.